Positive expiratory pressure device



FIG. 1 is a perspective view of our positive expiratory pressure device;

FIG. 2 is a perspective view of the positive expiratory pressure device illustrated in FIG. 1, taken from the opposite side;

FIG. 3 is a reduced size side elevation of the positive expiratory pressure device illustrated in FIG. 1, the opposed side being a mirror image thereof;

FIG. 4 is a top elevation view of the positive expiratory pressure device illustrated in FIG. 3;

FIG. 5 is a bottom elevational view of the positive expiratory pressure device illustrated in FIG. 3;

FIG. 6 is a left end elevational view of the positive expiratory pressure device illustrated in FIG. 3; and,

FIG. 7 is a right end elevational view of the positive expiratory pressure device illustrated in FIG. 3. 

The ornamental design for a positive expiratory pressure device, as shown and described. 